Due to growing world population and increasing wealth, demand for energy – specifically electricity – is rising, especially for the 1.3 billion people who don’t have access.
The most commonly used source for electricity production today is coal; 41 percent of all electricity is produced from coal, according to the World Coal Association.
Due to its high level of pollution (water and air pollution during mining and air pollution during burning) and often miserable circumstances for miners, we can conclude that this is not a sustainable source for electricity.
When looking at sustainable electricity resources, we commonly identify four: solar, wind, hydro and biomass.
Each of them is renewable, but that doesn’t necessarily make them sustainable.
Sustainability is determined by three different parameters: environmental sustainability, social sustainability and economic sustainability.
The three sustainabilities
Environmental sustainability means that it doesn’t do harm to the environment. That means that we…
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